Subtract 3/9 from 45/35
1st number: 1 10/35, 2nd number: 3/9
45/35 - 3/9 is 20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
45/35 = 45 × 9/35 × 9 = 405/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
3/9 = 3 × 35/9 × 35 = 105/315 - Subtract the two like fractions:
405/315 - 105/315 = 405 - 105/315 = 300/315 - After reducing the fraction, the answer is 20/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-3/9 45/35-6/9 45/70-3/9 45/35-3/18 45/35-3/27 45/35-15/9 45/35-3/45 45/35-21/9 45/35-3/63